Home / 2,068,430,881.20-3,102,646,321.80-1,660,284,193.20

Finding the Fourth Proportional to 2,068,430,881.20, 3,102,646,321.80 and 1,660,284,193.20

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Solution

The fourth proportional to 2,068,430,881.20, 3,102,646,321.80 and 1,660,284,193.20 is: 2,490,426,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,430,881.20 : 3,102,646,321.80 = 1,660,284,193.20 : x
  2. Step 2: Convert to fraction form
    2,068,430,881.20/3,102,646,321.80 = 1,660,284,193.20/x
  3. Step 3: Cross multiply
    2,068,430,881.20x = 3,102,646,321.80 × 1,660,284,193.20
  4. Step 4: Simplify right side
    2,068,430,881.20x = 5,151,274,645,174,661,120
  5. Step 5: Solve for x
    x = 5,151,274,645,174,661,120/2,068,430,881.20
  6. Step 6: Final answer
    x = 2,490,426,289.80

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Double scale
Find fourth proportional to 2,068,430,882.20, 3,102,646,323.30 and 1,660,284,194.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.